Feature/v2/compare tool (#4751)

# Description of Changes

- Addition of the compare tool
- 
---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

---------

Co-authored-by: James Brunton <[email protected]>

frontend/src/core/components/fileEditor/FileEditorThumbnail.tsx

@@ -1,6 +1,6 @@
 import React, { useState, useCallback, useRef, useMemo } from 'react';
 import { Text, ActionIcon, CheckboxIndicator, Tooltip, Modal, Button, Group, Stack } from '@mantine/core';
-import { useMediaQuery } from '@mantine/hooks';
+import { useIsMobile } from '@app/hooks/useIsMobile';
 import { alert } from '@app/components/toast';
 import { useTranslation } from 'react-i18next';
 import DownloadOutlinedIcon from '@mui/icons-material/DownloadOutlined';
@@ -64,7 +64,7 @@ const FileEditorThumbnail = ({
   const [isDragging, setIsDragging] = useState(false);
   const dragElementRef = useRef<HTMLDivElement | null>(null);
   const [showHoverMenu, setShowHoverMenu] = useState(false);
-  const isMobile = useMediaQuery('(max-width: 1024px)');
+  const isMobile = useIsMobile();
   const [showCloseModal, setShowCloseModal] = useState(false);
 
   // Resolve the actual File object for pin/unpin operations